Description
Monster Overview:
Precision manufactured in the USA, these Bulk 5/8"-18 Socket Head Cap Screws are built from high-strength alloy steel and finished with a durable thermal black oxide coating. The fine UNF thread allows for superior tension control, making these screws ideal for applications requiring precise clamping and vibration resistance.
All Monster Bolts USA-made black oxide socket fasteners are fully RoHS compliant and ship directly from our U.S. warehouse for fast fulfillment.
Monster Features:
- Thread: 5/8"-18 UNF (Fine Thread) — tighter fit for precision and vibration control.
- Material: Alloy Steel per ASTM A574 with uniform thermal black oxide finish.
- Drive: 1/2″ Hex (Allen). Hex keys available here.
- Head: Socket Head Cap Screw (SHCS) — compact profile, high-torque capacity.
- Applications: Robotics, tooling, manufacturing, and precision equipment assembly.
Monster Specifications:
| Specification | Details |
|---|---|
| Diameter | 5/8" |
| Thread Size | 5/8"-18 UNF (Fine Thread) |
| Drive Size | 1/2″ Hex (Allen) |
| Head Type | Socket Head Cap Screw (SHCS) |
| Material / Finish | Alloy Steel, Thermal Black Oxide |
| Standards | ASME B18.3 / IFI-111 / ASTM A574 |
| Compliance | RoHS Compliant |
| Origin | USA |
More Monster Bolts:
Matching Hardware: Pair your 5/8"-18 fasteners with Bulk U.S. Inch Nuts and Bulk U.S. Inch Washers for a complete fastening solution.
Order Yours Today!
Monster Bolts USA-made black oxide socket screws deliver strength, precision, and fast delivery — perfect for industrial and OEM applications.